Find the voltage gain, Electrical Engineering

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Q. In a CD amplifier,given Rs =4k?, µ=50 and rd= 35k μ. Find the voltage gain Av.

The voltage gain,

 Av = Vo / Vi = µRs / (µ+1) Rs + rd = 50*4* (103 )/ (50+1)*4*103 + 35 * 103 = 0.836

 The positive value indicates that Vo and Vi are in phase, further note that the gain is greater than one.


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